Company lists · Data refreshed November 2026

Top 20 Pharmacokinetics testing labs based in the United States

RevenueBase identified 46 company matches for pharmacokinetics testing labs associated with the United States as of November 2026 and tracks 379 professional contacts across them, including 108 with verified work emails. Cambridge is the largest hub.

This list covers company matches for pharmacokinetics testing labs associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
46Companies
379Contacts tracked
108Verified emails
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The 20 largest pharmacokinetics testing labs based in the United States

Ranked by team size
Top 20 of 46 company matches for pharmacokinetics testing labs based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchGaithersburg, MD, United StatesHQ recorded Nov 6, 202651-20058 contacts →

Exact match

“Smithers Pharmaceutical Development Services assists in the development of new medicines by providing bioanalytical services for all phases of drug development from discovery…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchReno, NV, United StatesHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“Our Co-Founders, Denis Grizelj and Matthew Rutledge founded MD Labs in 2011 with the goal to specialize in prescription monitoring toxicology and serve physicians across the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPortage, MI, United StatesHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“PharmOptima, a Genesis Drug Discovery and Development (GD3) Company, has been advancing drug discovery and development in various therapeutic areas and has filled a niche in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchPittsboro, NC, United StatesHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Xyzagen augments a client’s pharmacology and pharmacokinetics drug development team.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchCary, NC, United StatesHQ recorded Nov 6, 20261-109 contacts →

Exact match

“Celerius Clinical Research provides end-to-end services to support clinical trials and drug development, focusing on quality and regulatory compliance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchWoburn, United StatesHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Nextcea Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchResearch Triangle Park, MA, United StatesHQ recorded Nov 6, 202651-2008 contacts →

Exact match

“Nuventra Pharma Sciences is now part of Allucent.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLee's Summit, MO, United StatesHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Acceleration Laboratory Services is an independent, FDA inspected, contract GMP analytical laboratory that specializes in the field of analytical chemistry to support the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCollege Station, TX, United StatesHQ recorded Nov 6, 202611-506 contacts →

Exact match

“MDx BioAnalytical Lab is a full service analytical lab specializing in the analysis of both small and large molecular weight drugs and biomarker discovery.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchNatick, MA, United StatesHQ recorded Nov 6, 20261-105 contacts →

Exact match

“We are a team of experts providing pharmacometric service that involves the design, analysis and interpretation of data from pre-clinical and clinical trials, and drug development…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMundelein, IL, United StatesHQ recorded Nov 6, 20261-105 contacts →

Exact match

“JSAS performs early development non-regulated analytical testing for the pharmaceutical industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMemphis, TN, United StatesHQ recorded Nov 6, 202611-504 contacts →

Exact match

“CirQuest Labs is an innovative drug development services company built on over 30 years of laboratory experience in an academic setting.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchOro Valley, AZ, United StatesHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Toxicology Solutions Inc (TSI) is an independent consulting company focused on providing toxicology and DMPK services to the pharmaceutical industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchOcean, NJ, United StatesHQ recorded Nov 6, 202611-503 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSanta Barbara, CA, United StatesHQ recorded Nov 6, 202611-503 contacts →

Exact match

“Bexson Biomedical is a biopharmaceutical company focused on unlocking the potential of new and existing drugs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMadison, United StatesHQ recorded Nov 6, 202611-502 contacts →

Exact match

“PK Consultancy provides clinical pharmacology, pharmacokinetic, and PK/PD modeling and simulation expertise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchPlymouth Meeting, PA, United StatesHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Touchstone Biosciences is a contract research organization, providing high-quality and low-cost in vitro ADME, in vivo PK, Bioanalytical, and formulation services for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMontgomery, AL, United StatesHQ recorded Nov 6, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchPlymouth, United StatesHQ recorded Nov 6, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchNewark, CA, United StatesHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Cytoscient is a bio analytical, DMPK, preclinical CRO.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 20 of 46 pharmacokinetics testing labs based in the United States

See the full list, filter by size, metro and specialty, and access 108 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Pharmacokinetics testing labs based in the United States at a glance

As of Nov 6, 2026
28.5%Verified-email coverage
8.2Average contacts per company
11-50Median size (employees)
6.5%Largest-city concentration · Cambridge
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
22
11-50
15
51-200
8
501-1,000
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 46 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “pharmacokinetics testing labs” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 108 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “pharmacokinetics testing labs”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many pharmacokinetics testing labs are there based in the United States?

RevenueBase identified 46 company matches for pharmacokinetics testing labs associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Smithers tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most pharmacokinetics testing labs?

Cambridge leads with 3 company records, followed by Plymouth (2) and Watertown (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 108 professional contacts with verified work emails tracked across these 46 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.